Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 75 + 29 by rounding each number to the nearest 10: ______
- Estimate 54 − 83 by rounding each number to the nearest 10: ______
- Estimate 38 + 37 by rounding each number to the nearest 10: ______
- Estimate 78 − 53 by rounding each number to the nearest 10: ______
- Estimate 40 + 74 by rounding each number to the nearest 10: ______
- Estimate 24 − 26 by rounding each number to the nearest 10: ______
- Estimate 72 − 28 by rounding each number to the nearest 10: ______
- Estimate 44 − 50 by rounding each number to the nearest 10: ______
- Estimate 46 + 78 by rounding each number to the nearest 10: ______
- Estimate 25 + 84 by rounding each number to the nearest 10: ______
- Estimate 62 − 39 by rounding each number to the nearest 10: ______
- Estimate 53 + 56 by rounding each number to the nearest 10: ______
- Estimate 58 − 53 by rounding each number to the nearest 10: ______
- Estimate 68 − 55 by rounding each number to the nearest 10: ______
- Estimate 44 + 42 by rounding each number to the nearest 10: ______
- Estimate 69 + 84 by rounding each number to the nearest 10: ______
- Estimate 48 + 38 by rounding each number to the nearest 10: ______
- Estimate 85 − 77 by rounding each number to the nearest 10: ______
- Estimate 48 + 24 by rounding each number to the nearest 10: ______
- Estimate 82 − 74 by rounding each number to the nearest 10: ______